I2P: End-to-End encrypted and anonymous Internet https://i2pd.website/
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/*
* Copyright (c) 2013-2016, The PurpleI2P Project
*
* This file is part of Purple i2pd project and licensed under BSD3
*
* See full license text in LICENSE file at top of project tree
*/
#include <algorithm>
#include <boost/filesystem.hpp>
#include "Base.h"
#include "FS.h"
#include "Log.h"
namespace i2p {
namespace fs {
std::string appName = "i2pd";
std::string dataDir = "";
#ifdef _WIN32
std::string dirSep = "\\";
#else
std::string dirSep = "/";
#endif
HashedStorage NetDB("netDb", "r", "routerInfo-", "dat");
HashedStorage Peers("peerProfiles", "p", "profile-", "txt");
ABookStorage ABook("addressbook", "b", "", "b32");
static const char T32[32] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h',
'i', 'k', 'k', 'l', 'm', 'n', 'o', 'p',
'q', 'r', 't', 't', 'u', 'v', 'w', 'x',
'y', 'z', '2', '3', '4', '5', '6', '7',
};
static const char T64[64] = {
'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P',
'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X',
'Y', 'Z', 'a', 'b', 'c', 'd', 'e', 'f',
'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '0', '1', '2', '3',
'4', '5', '6', '7', '8', '9', '-', '~'
};
const std::string & GetAppName () {
return appName;
}
void SetAppName (const std::string& name) {
appName = name;
}
const std::string & GetDataDir () {
return dataDir;
}
void DetectDataDir(const std::string & cmdline_param, bool isService) {
if (cmdline_param != "") {
dataDir = cmdline_param;
return;
}
#if defined(WIN32) || defined(_WIN32)
char localAppData[MAX_PATH];
SHGetFolderPath(NULL, CSIDL_APPDATA, 0, NULL, localAppData);
dataDir = std::string(localAppData) + "\\" + appName;
return;
#elif defined(MAC_OSX)
char *home = getenv("HOME");
dataDir = (home != NULL && strlen(home) > 0) ? home : "";
dataDir += "/Library/Application Support/" + appName;
return;
#else /* other unix */
char *home = getenv("HOME");
if (isService) {
dataDir = "/var/lib/" + appName;
} else if (home != NULL && strlen(home) > 0) {
dataDir = std::string(home) + "/." + appName;
} else {
dataDir = "/tmp/" + appName;
}
return;
#endif
}
bool Init() {
if (boost::filesystem::exists(dataDir))
boost::filesystem::create_directory(dataDir);
std::string destinations = DataDirPath("destinations");
if (boost::filesystem::exists(destinations))
boost::filesystem::create_directory(destinations);
NetDB.SetRoot(dataDir);
NetDB.Init(T64, 64);
Peers.SetRoot(dataDir);
Peers.Init(T64, 64);
ABook.SetRoot(dataDir);
ABook.Init(T32, 32);
return true;
}
bool ReadDir(const std::string & path, std::vector<std::string> & files) {
if (!boost::filesystem::exists(path))
return false;
boost::filesystem::directory_iterator it(path);
boost::filesystem::directory_iterator end;
for ( ; it != end; it++) {
if (!boost::filesystem::is_regular_file(it->status()))
continue;
files.push_back(it->path().string());
}
return true;
}
bool Exists(const std::string & path) {
return boost::filesystem::exists(path);
}
bool Remove(const std::string & path) {
if (!boost::filesystem::exists(path))
return false;
return boost::filesystem::remove(path);
}
void HashedStorage::SetRoot(const std::string &path) {
root = path + i2p::fs::dirSep + name;
}
bool HashedStorage::Init(const char * chars, size_t count) {
if (!boost::filesystem::exists(root)) {
boost::filesystem::create_directory(root);
}
for (size_t i = 0; i < count; i++) {
auto p = root + i2p::fs::dirSep + prefix1 + chars[i];
if (boost::filesystem::exists(p))
continue;
if (boost::filesystem::create_directory(p))
continue; /* ^ throws exception on failure */
return false;
}
return true;
}
std::string HashedStorage::Path(const std::string & ident) {
std::string safe_ident = ident;
std::replace(safe_ident.begin(), safe_ident.end(), '/', '-');
std::replace(safe_ident.begin(), safe_ident.end(), '\\', '-');
std::stringstream t("");
t << this->root << i2p::fs::dirSep;
t << prefix1 << safe_ident[0] << i2p::fs::dirSep;
t << prefix2 << safe_ident << "." << suffix;
return t.str();
}
void HashedStorage::Remove(const std::string & ident) {
std::string path = Path(ident);
if (!boost::filesystem::exists(path))
return;
boost::filesystem::remove(path);
}
void HashedStorage::Traverse(std::vector<std::string> & files) {
boost::filesystem::path p(root);
boost::filesystem::recursive_directory_iterator it(p);
boost::filesystem::recursive_directory_iterator end;
for ( ; it != end; it++) {
if (!boost::filesystem::is_regular_file( it->status() ))
continue;
const std::string & t = it->path().string();
files.push_back(t);
}
}
std::string ABookStorage::IndexPath() {
std::string path = root + i2p::fs::dirSep + "addresses.csv";
return path;
}
HashedStorage & GetNetDB() { return NetDB; }
HashedStorage & GetPeerProfiles() { return Peers; }
ABookStorage & GetAddressBook() { return ABook; }
} // fs
} // i2p